CM 411 - Redden Actual Exam Questions With 100% Correct Answers Graded A+
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Course
CM 411 - Redden
Institution
CM 411 - Redden
Which is not an element for "comfort" - CORRECT ANSWER-Noise
Normal Ventilation for a building is - CORRECT ANSWER-20 CFM per person
Comfort for heating and cooling is usually attained with a relative humidity of - CORRECT ANSWER-50%
Water flow is typically expressed in which units? - CORR...
CM 411 - Redden Actual Exam
Questions With 100% Correct Answers
Graded A+
Which is not an element for "comfort" - CORRECT ANSWER-Noise
Normal Ventilation for a building is - CORRECT ANSWER-20 CFM per person
Comfort for heating and cooling is usually attained with a relative humidity of -
CORRECT ANSWER-50%
Water flow is typically expressed in which units? - CORRECT ANSWER-Gallons per
minute
A device that adds moisture into air is - CORRECT ANSWER-Humidifier
Liquids traveling through a steel pipe:
a) has pressure loss due to friction with the walls of the pipe ]
b) has pressure loss due to changes in direction at elbows and tees
c) Both A and B
d) None of the above - CORRECT ANSWER-c) Both A and B
Fire sprinkler piping is usually installed by - CORRECT ANSWER-Fire sprinkler
plumbing contractor
Pipe "size" is the general term commonly used when referring to pipe's - CORRECT
ANSWER-inside diameter
DFU stands for - CORRECT ANSWER-Drainage Fixture Unit
, The typical drainage for sanitary piping is 1/4 inch per? - CORRECT ANSWER-1 foot
What is typically installed on CPVC pipe
a) size
b) schedule of pipe
c) All of the above - CORRECT ANSWER-All of the above
Red fire caulking is used for - CORRECT ANSWER-Pipe penetration
Which is the thinness copper piping - CORRECT ANSWER-Type M
Gate Valve component that prevents leakage under the valve's gate - CORRECT
ANSWER-valve seat
_____ and plastic pipe are the most commonly used materials for DMV piping fittings
inside a building. - CORRECT ANSWER-Cast iron
Which is not used for water supply in residential use - CORRECT ANSWER-ABS
Drainage slopes less than recommended for horizontal branches - CORRECT
ANSWER-Will limit flow and risk blockage
Minimize size pipe for a residential water closet pipe is - CORRECT ANSWER-1-1/2"
A system with two sinks at two DFU each and four Water closet at six DFU each has
what loading on soil stack - CORRECT ANSWER-28 DFUs
Water closets in residential construction - CORRECT ANSWER-Are typically floor
mounted
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